From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.
Note: CHM's online catalog has been updated through January 23rd, 2025. A new and improved catalog will be launched in Summer 2025.
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Catalog contains over 151,130 records.
Joe Fredrick and Lyle Bickely inspecting PDP-1 backplane as part of the PDP-1 restoration project
Computer History Museum
Still Image, 2004-05
102663955
PDP-1 interior, plenum doors open on bays 1 to 3
Digital Equipment Corporation (DEC)
Still image, ca. 1962
102749566
PDP-1C-53
Digital Equipment Corporation (DEC)
Still image, 1964-04-14
102753560
DEC PDP-4 and PDP-1 at exhibit booth at the AFIPS Fall Joint Computer Conference
Still Image, Circa 1964
102652462
PDP-11 Champ 1 system featuring RX02, RL02, and PDP-11/04
Digital Equipment Corporation (DEC)
Still image, 1980-04
102764077
PDP-1 restoration team debugging a stuck bit on PDP-1. From left to right: Joe Fredrick, Rafael Skodlar, Tim Coslet, Lyle Bickley
Computer History Museum
Still Image, 2004-07
102664941
PDP-1 restoration team members examining paper tapes as part of the PDP-1 restoration project. From left to right: Lyle Bickley and Bob Lash
Computer History Museum
Still Image, 2004-12
102664944
Character test pattern on Type 30 display as part of the DEC PDP-1 restoration project
Computer History Museum
Still Image, 2006-09
102663947
Transistors inside the 50V power supply of a DEC PDP-1
Computer History Museum
Still Image, 2005-05
102663942
Early PDP-1 with console and flexowriter and control panel closeup
Digital Equipment Corporation (DEC)
Still image, ca. 1959
102749064
DEC Close-up of writing and patch board in PDP-1
Still Image
102627793
Magnified view of DEC PDP-1 backplane taken during restoration project
Computer History Museum
Still Image, 2004-05
102663944
Type 30 display checklist from the DEC PDP-1 restoration project (2003-2006)
Computer History Museum
Still Image, 2004-05
102663949
Interior of PDP-1 computer showing rows of DEC System Building Blocks
Digital Equipment Corporation (DEC)
Still Image, Circa 1961
102618919
User interacting with an early Computer Aided Design (CAD) program running on a PDP-1 computer
Digital Equipment Corporation (DEC)
Still Image, Circa 1962
102652246
Type 728 DC power supply chart used in DEC PDP-1 restoration project
Computer History Museum
Still Image, 2004-03-03
102663945
New 30uf capacitor replacement by the DEC PDP-1 restoration team
Computer History Museum
Still Image, 2004-03
102663952
X-ray image of high-voltage power supply for light pen from DEC PDP-1
Computer History Museum
Still Image, 2005-05
102664943
Dan Edwards and Peter Samson playing Spacewar! on a PDP-1
Digital Equipment Corporation (DEC)
Still Image, Circa 1962
102631264
PDP-1 computer system being checked out prior to customer approval
Digital Equipment Corporation (DEC)
Still Image, Circa 1961
102618924